CVE-2025-14441

MEDIUM EPSS 10.0%
Published Jan 6, 20265mo ago · Modified Jun 17, 20262w ago
4.3 CVSS 3.1
Medium
Find Similar
Published Jan 6, 2026 5mo ago
Last Modified Jun 17, 2026 2w ago

Description

The Popupkit plugin for WordPress is vulnerable to arbitrary subscriber data deletion due to missing authorization on the DELETE `/subscribers` REST API endpoint in all versions up to, and including, 2.2.0. This is due to the `permission_callback` only validating wp_rest nonce without checking user capabilities. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary subscriber records.

CVSS Details

Base Score
4.3
Exploitability
2.8
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
10.0% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-862 Missing Authorization Authorization

References 5

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/popup-builder-block/tags/2.2.0/includes/Routes/Subscribers.php#L64
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/popup-builder-block/tags/2.2.0/includes/Routes/Subscribers.php#L77
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/popup-builder-block/trunk/includes/Routes/Subscribers.php#L77
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3421671%40popup-builder-block&new=3421671%40popup-builder-block&sfp_email=&sfph_mail=
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/48f5a44d-d01f-4c41-98da-7c1f6c65c254?source=cve

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.